M4.3 Depth: 169.4 km

M4.3 Earthquake near 267 km W of Adak, Alaska (United States)

UTC time: 2025-12-07 15:58:38 UTC Local time: —

About this earthquake

On December 7, 2025 at 15:58 UTC, a magnitude M4.3 earthquake occurred near 267 km W of Adak, Alaska (United States). At around 169 km, the focal depth places this among intermediate-depth events. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The data is provided by USGS and cross-checked across seismological networks. United States: 210 earthquakes were recorded in the past 24 hours, the strongest reaching M5.1.

Details

Magnitude

M4.3

Depth

169.4 km

UTC time

2025-12-07 15:58:38 UTC

Local time

—

Country

United States

City

Alaska

Source

usgs

Coordinates

52.18780, 179.49800

Temperature

4.2°C

Map

Depth profile

Intermediate

169.4 km

169.4 km — deeper than the regional average (15.6 km)

Regional average: 15.6 km

Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

Semisopochnoi

Distance: 29 km ·Stratovolcano ·Elevation: 1'221 m ·Last eruption: 2023 ·United States
Little Sitkin

Distance: 70 km ·Stratovolcano ·Elevation: 1'174 m ·Last eruption: 1830 ·United States
Davidof

Distance: 83 km ·Stratovolcano ·Elevation: 328 m ·United States
Segula

Distance: 95 km ·Stratovolcano ·Elevation: 1'160 m ·United States
Kiska

Distance: 130 km ·Stratovolcano ·Elevation: 1'220 m ·Last eruption: 1990 ·United States
Buldir

Distance: 245 km ·Stratovolcano ·Elevation: 656 m ·United States

Historic earthquake map · United States

Open history map

Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · United States

Country overview

View earthquake KPIs, strongest and latest events, and averages for this country.

Stats (last 24h)

Global (24h)

618

Country (24h)